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Clima Smart vs Maestrale: heat pump ratings compared

Against heat pumps of the same size and type, a typical Clima Smart model beats 73% and a typical Maestrale model 64%. Clima Smart rates higher overall.

Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated

Clima Smart

73%

of similar heat pumps beaten by its typical model

Well above average

8 models listed

Maestrale

64%

of similar heat pumps beaten by its typical model

Well above average

24 models listed

Rating by ratingEach bar is the share of same-size, same-type heat pumps that a typical model beats, so the two brands compare fairly even if they make different sizes.
  • Efficiency on a 5°F dayCOP at 5°FClima Smart: Beats 35%Maestrale: Beats 29%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FClima Smart: Beats 79%Maestrale: Beats 72%
  • Winter-long heating efficiencyHSPF2Clima Smart: Beats 68%Maestrale: Beats 71%
  • Summer-long cooling efficiencySEER2Clima Smart: Beats 89%Maestrale: Beats 79%
  • Hot-day cooling efficiencyEER2Clima Smart: Beats 80%Maestrale: Beats 61%

Average (50%)Dashed outline: the other brand, for comparison

Want ranks, distributions per size class and cold-weather curves? Switch to Advanced

Rebate standards

Share of each brand’s models that meet the level. Programs can have other rules too.

  • CEE 2025

    Clima Smart
    100%
    Maestrale
    100%

  • Xcel CC

    Clima Smart
    100%
    Maestrale
    100%

  • CEE Advanced

    Clima Smart
    0%
    Maestrale
    0%

  • ENERGY STAR CC

    Clima Smart
    100%
    Maestrale
    33%

Top cold-climate picks, ductless up to 1.5 tons

Only units that keep at least 70% of their heat at 5°F, ranked on heat kept, efficiency at 5°F and seasonal efficiency (HSPF2), against units their size.

Showing Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

Clima Smart

  1. 1MU-CSU18HEI2NAM0T24-3POClima Smart1.5 tons · 20,000 Btu/h · DuctlessKeeps 99% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    99% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    70.9score / 100
  2. 2CSU09HEI2NAM0T24with ductless indoor unit CSU09HEI2NAM0T24Clima Smart1 ton · 9,000 Btu/h · DuctlessKeeps 101% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    101% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    63.3score / 100
  3. 3CSU12HEI2NAM0T24with ductless indoor unit CSU12HEI2NAM0T24Clima Smart1 ton · 12,000 Btu/h · DuctlessKeeps 100% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    62.1score / 100

Maestrale

  1. 1TSB20MBOR2J0X24MaestraleAlso listed as TSB20MBOR2J0X241.5 tons · 18,000 Btu/h · DuctlessKeeps 80% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    80% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    68.6score / 100
  2. 2TSA09MAQU1J0X24-Owith ductless indoor unit TSA09MAQU1J0X24-IMaestraleAlso listed as TSA09MAQU1JOX24-O, TSA09MAQU1J0X24-O1 ton · 9,000 Btu/h · DuctlessKeeps 106% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    106% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    63.6score / 100
  3. 3TSA12MAQU1J0X24-O*with ductless indoor unit TSA12MAQU1J0X24-IMaestraleAlso listed as TSA12MAQU1JOX24-0, TSA12MAQU1J0X24-0, TSA12MAQU1J0X24-O1 ton · 12,000 Btu/h · DuctlessKeeps 100% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    62.1score / 100

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

Next steps

The advanced view adds ranks, both brands’ models inside every size class, standout models per rating and cold-weather curves.

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